Yes, we're showing that. But we're also showing a very important role for face-to-face or even written communication. So, the prediction was that nobody would self-monitor because that's a second level social dilemma, if you go to Game Theory. But, what we've found is that people will, but it can be … people can escalate into, 'I'll punish you, you punish him, mamamamamma,' and it gets worse and worse. So, with communication, where there's an agreement on what is going to be the … what we are going to do. The 'we' then being well-defined, then people can follow rules, be cooperative and, occasionally, sanction one another to help that continue.
Recorded Adam Smith, Telephone interview recorded immediately after the prize announcement, Nobel Prize Outreach, 12 October 2009 source